Method for introducing waste and/or alternative fuels into a clinker production method and device for carrying out said method

In a method for introducing waste substances and/or alternative fuels into a clinker production process, the raw materials, in the form of slurries or suspensions, are subjected to mechanical deagglomeration as a pumpable mass. The pumpable mass is ejected into risers, precalciners and/or the rotary tubular kiln. The device for carrying out the method is characterized by a tubular housing (1) including a rotor (2) mounted to be rotational substantially concentrically with the tube axis and driveable for rotation with blades (3) sweeping over the space between the rotor shaft and the housing wall, wherein a plurality of ducts and openings (6, 7, 11, 14) are connected to the shell of the tubular housing (1), and at least one duct (6) is arranged with the slurry supply and at least one duct is offset in the peripheral direction.